#include <stdio.h>

/** print farenheit vals and celcius equivs
    for fahr = 0, 20, ..., 300 */
    
main()
{
  int fahr, celsius;
  int lower, upper, step;
  
  lower = 0;
  upper = 300;
  step = 20;
  
  fahr = lower;
  while (fahr <= upper) {
    celsius = 5 * (fahr-32) / 9; /* from conversion formula */
    printf("%d\t%d\n", fahr, celsius);
    fahr = fahr + step;
  }
}
